Assign specific type to metadata block device.
Assign specific type to metadata block device.

This assigns the type defined by Id3bea28f5958086716cd3db055bea309b3b5fa5a
to the block device file for the metadata partition specified via the
encryptable= option for the userdata entry in fstab.hammerhead.

Change-Id: If22babd008a2b23954790c293344769fc8ddd8fb
Signed-off-by: Stephen Smalley <d6e1285e1c84d3d5885c2124fdacc780e9fc0a94@tycho.nsa.gov>

maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead,maruos/android_device_lge_hammerhead